1. Tongcao soup is good.

2. Tetrapanax papyriferus, also known as Koutuo, Linan, Huoshan, Yishang, Huacao, etc., is the pith of the Araliaceae plant Tetrapanax papyriferus. The dried stem pith is cylindrical, generally 0.3 to 0.6 meters long and 1.2 to 3 centimeters in diameter. Pure white with horizontal and vertical grooves. It is light, soft, elastic, easy to break, has a flat cross-section, and has a hollow or white translucent film with a diameter of 0.5 to 1.5 cm in the middle. The outer ring is silvery white, with layers of membranes visible in longitudinal section, odorless and tasteless. Those with white color, empty heart and elasticity are better. Distributed in Jiangsu, Hubei, Sichuan, Guizhou, Yunnan and other places.

3. The functions include clearing dampness and diluting water; clearing breasts. Main symptoms include gonorrhea, astringency and pain; difficulty in urination; edema; jaundice; damp-warm disease; short and red urine; postpartum milk deficiency; amenorrhea; vaginal discharge. It is used for wet and warm urine, red urine, gonorrhea, astringent pain, edema, oliguria, and lack of breast milk.